Fishes of the Nam Theun and Xe Bangfai basins, Laos with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyological Exploration of Freshwaters, 9(1), July 1998: 1-128. 61 [Zoological Record Volume 135]